blob: 69044aa86796a65428fcc6112e3e1ac6d2dc4d18 [file] [log] [blame]
/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.accessibility;
import android.os.Bundle;
import android.provider.Settings;
import android.support.v7.preference.ListPreference;
import android.support.v7.preference.Preference;
import android.view.accessibility.AccessibilityManager;
import android.widget.Switch;
import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import com.android.settings.R;
import com.android.settings.widget.SwitchBar;
public class ToggleDaltonizerPreferenceFragment extends ToggleFeaturePreferenceFragment
implements Preference.OnPreferenceChangeListener, SwitchBar.OnSwitchChangeListener {
private static final String ENABLED = Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED;
private static final String TYPE = Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER;
private static final int DEFAULT_TYPE = AccessibilityManager.DALTONIZER_CORRECT_DEUTERANOMALY;
private ListPreference mType;
@Override
public int getMetricsCategory() {
return MetricsEvent.ACCESSIBILITY_TOGGLE_DALTONIZER;
}
@Override
public int getHelpResource() {
return R.string.help_url_color_correction;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mType = (ListPreference) findPreference("type");
if (!AccessibilitySettings.isColorTransformAccelerated(getActivity())) {
mFooterPreferenceMixin.createFooterPreference().setTitle(
R.string.accessibility_display_daltonizer_preference_subtitle);
}
initPreferences();
}
@Override
protected int getPreferenceScreenResId() {
return R.xml.accessibility_daltonizer_settings;
}
@Override
protected void onPreferenceToggled(String preferenceKey, boolean enabled) {
Settings.Secure.putInt(getContentResolver(), ENABLED, enabled ? 1 : 0);
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
if (preference == mType) {
Settings.Secure.putInt(getContentResolver(), TYPE, Integer.parseInt((String) newValue));
preference.setSummary("%s");
}
return true;
}
@Override
protected void onInstallSwitchBarToggleSwitch() {
super.onInstallSwitchBarToggleSwitch();
mSwitchBar.setCheckedInternal(
Settings.Secure.getInt(getContentResolver(), ENABLED, 0) == 1);
mSwitchBar.addOnSwitchChangeListener(this);
}
@Override
protected void onRemoveSwitchBarToggleSwitch() {
super.onRemoveSwitchBarToggleSwitch();
mSwitchBar.removeOnSwitchChangeListener(this);
}
@Override
protected void updateSwitchBarText(SwitchBar switchBar) {
switchBar.setSwitchBarText(R.string.accessibility_daltonizer_master_switch_title,
R.string.accessibility_daltonizer_master_switch_title);
}
private void initPreferences() {
final String value = Integer.toString(
Settings.Secure.getInt(getContentResolver(), TYPE, DEFAULT_TYPE));
mType.setValue(value);
mType.setOnPreferenceChangeListener(this);
final int index = mType.findIndexOfValue(value);
if (index < 0) {
// We're using a mode controlled by developer preferences.
mType.setSummary(getString(R.string.daltonizer_type_overridden,
getString(R.string.simulate_color_space)));
}
}
@Override
public void onSwitchChanged(Switch switchView, boolean isChecked) {
onPreferenceToggled(mPreferenceKey, isChecked);
}
}